Recent questions in Chemistry

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When 55.8 g of Fe reacts with Cl2 according to the equation 2Fe + 3Cl2 --> 2FeCl3. How many moles of Cl2 are required to react with all the iron? 2.00 mol 1.00 mol 0.67 mol 1.50 mol

Un Homme asked Jul 6, 2023

by Un Homme

2.8k points

1 answer

13 votes

389k views

If 2 moles of water decomposes, the products that will form are 2 moles of hydrogen gas and one mole of oxygen gas. If a reaction is conducted that consumes 20.0 mL of water, what volume of oxygen gas

Shrikanth Kalluraya asked Jul 6, 2023

by Shrikanth Kalluraya

3.6k points

1 answer

33 votes

97.2k views

On a distance-time graph, at 2 hours the graph is at a height of 20 meters, and at 4 hours it is at a height of 80 meters. The average speed for the interval is 30 meters/hour. true false

Mkeiser asked Jul 6, 2023

by Mkeiser

2.7k points

1 answer

44 votes

506k views

What happens to the energy absorbed during an endothermic reaction

Paul Coldrey asked Jul 6, 2023

by Paul Coldrey

3.1k points

1 answer

21 votes

174k views

The mass of a hypothetical planet is 1 100 that of the earth and it’s radius is 1 4 that of earth. If a person weighs 500 n on earth, what would he weigh on this planet?.

Seth Jeffery asked Jul 6, 2023

by Seth Jeffery

2.8k points

1 answer

25 votes

395k views

Between periods at a hockey game, a machine called an ice resurfacer is used to smooth down the ice. Explain how this affects the speed of the players on the ice and why it has that effect.

Anton Rodzik asked Jul 6, 2023

by Anton Rodzik

2.7k points

1 answer

6 votes

170k views

Which of the following measurements have four significant figures? Select all that apply.

Diegomen asked Jul 6, 2023

by Diegomen

3.1k points

1 answer

40 votes

448k views

How do I Determine the number of moles in 3.51 x 1023 formula units of CaCl2.

Harish Kommuri asked Jul 6, 2023

by Harish Kommuri

2.9k points

1 answer

14 votes

91.9k views

As the temperature increases to the ice cube's equilibrium stage, the average kinetic energy of the molecules….? increases decreases remains the same increases and then decreases

Royhowie asked Jul 6, 2023

by Royhowie

3.1k points

1 answer

35 votes

433k views

Calculate the volume; a 0.24mole H2 at 45°C and 998 mmHg Guys i need help!!

Terrabl asked Jul 6, 2023

by Terrabl

3.2k points

1 answer

4 votes

6.0k views

Draw a simple model of an atom to show the position of each of the constituents of the atom

Rosy asked Jul 6, 2023

by Rosy

2.8k points

1 answer

11 votes

292k views

I want the answers this questions in the photo

Jackbijou asked Jul 6, 2023

by Jackbijou

3.3k points

1 answer

36 votes

137k views

Smoking till my eyes roll back like the omen lyrics.

Oscar Castiblanco asked Jul 6, 2023

by Oscar Castiblanco

2.6k points

1 answer

9 votes

396k views

Hydrazine (N₂H₄), a rocket fuel, reacts with oxygen to form nitrogen gas and water vapor. The reaction is represented with the equation: N₂H₄(I) + O₂(g) --->N₂(g) + 2H₂O(g) At STP, if 4.20L of O₂ reacts

Rippo asked Jul 6, 2023

by Rippo

2.8k points

2 answers

32 votes

246k views

Reaction between silver nitrate and sodium chloride. A balanced chemical equation

Michal Aron asked Jul 6, 2023

by Michal Aron

3.1k points

1 answer

21 votes

247k views

Is SiO2 London Dispersion, Dipole-Dipole, or Hydrogen Bonding?

Trevorgk asked Jul 6, 2023

by Trevorgk

3.1k points

1 answer

18 votes

113k views

5.26 kg of nitrogen monoxide and 7.64 mg of oxygen are combined, what mass of nitrogen dioxide is formed?2NO+O2=2NO2

Joofsh asked Jul 6, 2023

by Joofsh

3.0k points

1 answer

38 votes

28.3k views

-Red cabbage color changes with Ph-Use the pH scale to help answer the questions.————————————————3) How do you think red cabbage (specifically the chemical anthocyanin) can be used to indicate whether

Orange asked Jul 6, 2023

by Orange

2.7k points

1 answer

22 votes

523k views

40 POINTS Sort the five layers of the atmosphere with the highest level first. stratosphere mesosphere troposphere ionosphere thermosphere

Jens Ayton asked Jul 6, 2023

by Jens Ayton

2.6k points

1 answer

10 votes

430k views

when an atom gains an electron to become an ion its size (increases/decreases) and its charge becomes (positive/negative)?

Marcus Johnson asked Jul 6, 2023

by Marcus Johnson

2.9k points

1 answer

15 votes

410k views

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